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HIGH

libxml2: Stack-based buffer overflow in xmlSnprintfElements of libxml2

Published Feb 18, 2025

Description

libxml2 before 2.12.10 and 2.13.x before 2.13.6 has a stack-based buffer overflow in xmlSnprintfElements in valid.c. To exploit this, DTD validation must occur for an untrusted document or untrusted DTD. NOTE: this is similar to CVE-2017-9047.

Affected products

Remediation

Red Hat statement

This vulnerability is rated as important because it involves a stack-based buffer overflow in the xmlSnprintfElements function within valid.c. Exploiting this issue requires DTD validation to occur on an untrusted document or untrusted DTD, making it a potential security risk for applications using libxml2 that do not adequately restrict DTD input.

Metrics

Weaknesses (1)

CWE-121

References (8)

Change history (0)

No recorded changes yet.

Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 18, 2025
Updated Feb 26, 2026
Reserved Jan 28, 2025
Link CVE-2025-24928
CISA Vulnrichment
Updated Jul 23, 2025
NVD
Status Modified
Modified Jun 17, 2026
Link CVE-2025-24928
Red Hat
Severity Important
Public date Feb 18, 2025
Links CVE-2025-24928 - Bugzilla